EP 0383259 A3 19910320 - FREE-ELECTRON LASER OSCILLATOR
Title (en)
FREE-ELECTRON LASER OSCILLATOR
Publication
Application
Priority
JP 3336889 A 19890213
Abstract (en)
[origin: EP0383259A2] In a free-electron laser oscillator, two laser beams (LB1, LB2) having different wavelengths are irradiated to a photoemitter (3) to generate an electron beam (EB). The electron beam (EB) is density-modulated by a frequency corresponding to a difference between frequencies of the two laser beams (LB1 LB2), and accelerated to a vicinity of light velocity by a microwave. Such a relative theory electron beam is directed into a periodical magnetic field generated by a helical wigglar (6) and a track thereof is deflected. As a result, a synchrotron radiation light is generated from the relative theory electron beam. The radiation light generates an electromagnetic field by itself. Thus, electromagnetic interaction takes place among the electromagnetic field, the periodical magnetic field and the relative theory electron beam, and the laser oscillation is started. A power of the laser beam (LB) irradiated to the photoemitter (3) may be reduced because the two laser beams (LB1 LB2) having different wavelengths are irradiated to the photoemitter (3) and the electron beam (EB) is bunched in accordance with the difference between frequencies.
IPC 1-7
IPC 8 full level
CPC (source: EP US)
H01S 3/0903 (2013.01 - EP US)
Citation (search report)
- [A] EP 0298817 A1 19890111 - COMMISSARIAT ENERGIE ATOMIQUE [FR]
- [A] GB 2065363 A 19810624 - US ENERGY [US]
Designated contracting state (EPC)
AT CH DE DK FR GB IT LI NL SE
DOCDB simple family (publication)
EP 0383259 A2 19900822; EP 0383259 A3 19910320; EP 0383259 B1 19940831; AT E110892 T1 19940915; DE 69011889 D1 19941006; DE 69011889 T2 19950216; JP 2702541 B2 19980121; JP H02211687 A 19900822; US 5018149 A 19910521
DOCDB simple family (application)
EP 90102797 A 19900213; AT 90102797 T 19900213; DE 69011889 T 19900213; JP 3336889 A 19890213; US 47924390 A 19900213